package com.sunb2b.dao;

import java.util.List;
import java.util.Set;
import org.hibernate.LockMode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.sunb2b.entity.*;
/**
 * A data access object (DAO) providing persistence and search support for
 * CategoryAttr entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see com.sunb2b.dao.CategoryAttr
 * @author MyEclipse Persistence Tools
 */

public class CategoryAttrDAO extends HibernateDaoSupport {
	private static final Logger log = LoggerFactory
			.getLogger(CategoryAttrDAO.class);
	// property constants
	public static final String ATTR_NAME = "attrName";
	public static final String ATTR_TYPE = "attrType";

	protected void initDao() {
		// do nothing
	}

	public void save(CategoryAttr transientInstance) {
		log.debug("saving CategoryAttr instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(CategoryAttr persistentInstance) {
		log.debug("deleting CategoryAttr instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public CategoryAttr findById(java.lang.Integer id) {
		log.debug("getting CategoryAttr instance with id: " + id);
		try {
			CategoryAttr instance = (CategoryAttr) getHibernateTemplate().get(
					"com.sunb2b.entity.CategoryAttr", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding CategoryAttr instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from CategoryAttr as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByAttrName(Object attrName) {
		return findByProperty(ATTR_NAME, attrName);
	}

	public List findByAttrType(Object attrType) {
		return findByProperty(ATTR_TYPE, attrType);
	}

	public List findAll() {
		log.debug("finding all CategoryAttr instances");
		try {
			String queryString = "from CategoryAttr";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public CategoryAttr merge(CategoryAttr detachedInstance) {
		log.debug("merging CategoryAttr instance");
		try {
			CategoryAttr result = (CategoryAttr) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(CategoryAttr instance) {
		log.debug("attaching dirty CategoryAttr instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(CategoryAttr instance) {
		log.debug("attaching clean CategoryAttr instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static CategoryAttrDAO getFromApplicationContext(
			ApplicationContext ctx) {
		return (CategoryAttrDAO) ctx.getBean("CategoryAttrDAO");
	}
}